Revising the Limits for the US's Unlimited Mobile Data Downloaders

Smartphone users who try to get the most out of their devices are learning exactly what that means, even while paying for plans that promise unlimited consumption.

Some of the nation's largest wireless phone companies are getting around those plans by slowing down a smartphone's Internet transfer speeds for heavy users. The practice serves as a backdoor limit of data by making some downloads impossible.

AT&T Ends All-You-Can-Eat: Flooded With Web Data, No. 2 Wireless Carrier Puts Cap on Heaviest UsersAT&T Inc. pulled the plug on its all-you-can-eat plan for smartphone customers, telling subscribers they will see much slower speeds if they exceed a new monthly usage cap.